Knife blade



FIG. 1 is a front elevational view of a knife blade showing my new design;

FIG. 2 is a rear-elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a front elevational view of a second embodiment of my new design of FIGS. 1-6;

FIG. 8 is a rear elevational view of the second embodiment;

FIG. 9 is a right side elevational view of the second embodiment;

FIG. 10 is a left side elevational view of the second embodiment;

FIG. 11 is a top plan view of the second embodiment;

FIG. 12 is a bottom plan view of the second embodiment;

FIG. 13 is a front elevational view of a third embodiment of my new design of FIGS. 1-6;

FIG. 14 is a rear elevational view of the third embodiment;

FIG. 15 is a right side elevational view of the third embodiment;

FIG. 16 is a left side elevational view of the third embodiment;

FIG. 17 is a top plan view of the third embodiment; and,

FIG. 18 is a bottom plan view of the third embodiment.

The broken line showing a handle portion in FIGS. 1-18 is environmental only and forms no part of the claimed design. 

The ornamental design for a knife blade, as shown and described. 